SEE INSIDE
EVERYTHING.
Machines, explained the way they actually run — as living, animated diagramsyou scroll through and play with. One idea per screen. You'll get it in five minutes, and remember it for years.
The Library
ONE MACHINE AT A TIMEAir conditioning
Cold isn't made. Heat is moved. Follow the refrigerant on its round trip.
🔒 FREE ACCOUNT TO OPEN● LIVE№ 002 · PROPULSIONJet engine
Fire doesn't push the plane — thrown air does. Suck, squeeze, bang, spin, blow. Then you fly it.
🔒 FREE ACCOUNT TO OPENLoudspeaker
A magnet, a coil, and a piece of paper punching the air 20,000 times a second.
Espresso machine
Nine atmospheres of hot water against a puck of coffee. Someone had to invent that.
Elevator
The counterweight does half the work. The brakes do the part you care about.
Microwave oven
A radar tube pointed at your leftovers, shaking water two billion times a second.
Why it sticks
DIAGRAMS THAT RUNThe machine is alive on the page
No paused screenshots, no 14-minute videos. Every diagram runs in a loop, in real time, while you read.
Turn the dials yourself
Set the thermostat. Squeeze the piston. Fly the plane. Things you operate, you understand — and don't forget.
Scroll = one thought at a time
Each screenful teaches exactly one thing before the next starts. Five minutes, zero jargon, no homework.
Membership
FIRST CURIOWITTY IS FREE- Every tutorial published so far
- All interactive controls unlocked
- Your progress, saved
- The full library, as it grows
- A new machine opened every month
- Vote on what we cut open next